/****************************************************************************
*  Copyright 2017 Gorgon Meducer (Email:embedded_zhuoran@hotmail.com)       *
*                                                                           *
*  Licensed under the Apache License, Version 2.0 (the "License");          *
*  you may not use this file except in compliance with the License.         *
*  You may obtain a copy of the License at                                  *
*                                                                           *
*     http://www.apache.org/licenses/LICENSE-2.0                            *
*                                                                           *
*  Unless required by applicable law or agreed to in writing, software      *
*  distributed under the License is distributed on an "AS IS" BASIS,        *
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
*  See the License for the specific language governing permissions and      *
*  limitations under the License.                                           *
*                                                                           *
****************************************************************************/

#ifndef __USE_APP_PLATFORM_H__
#define __USE_APP_PLATFORM_H__

/*============================ INCLUDES ======================================*/
#include ".\app_cfg.h"

#include <stdio.h>

#include <ARMCM4_FP.h>

#include ".\stdout_USART.h"

/*============================ MACROS ========================================*/
/*============================ MACROFIED FUNCTIONS ===========================*/
/*============================ TYPES =========================================*/     
/*============================ GLOBAL VARIABLES ==============================*/
/*============================ LOCAL VARIABLES ===============================*/
/*============================ PROTOTYPES ====================================*/

/* \note please put it into a 1ms timer handler
 */
extern void app_platform_1ms_event_handler(void);

/*! \brief start performance counter (cycle accurate)
 */
extern void start_counter(void);

/*! \brief stop performance counter (cycle accurate)
 *! \retval cycle elapsed. 
 */
extern int32_t stop_counter(void);


#endif
